Ch1 Test Review

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

What is the definition of a point in geometry?

Back

A location in space with no size or dimension.

Front

What is the definition of a line segment?

Back

A part of a line that has two endpoints and includes all points between them.

Front

What is the definition of a plane in geometry?

Back

A flat surface that extends infinitely in all directions.

Front

How is a plane named?

Back

By any three non-collinear points on the plane or an uppercase script letter.

Front

What is the intersection of two lines?

Back

The point where the two lines meet.

Front

What is a midpoint?

Back

The point that divides a line segment into two equal parts.

Front

How do you find the missing endpoint of a line segment?

Back

Use the midpoint formula: M = (x1 + x2)/2, (y1 + y2)/2.

Front

What is the formula for finding the distance between two points?

Back

Distance = √((x2 - x1)² + (y2 - y1)²).